Method for a graphics chip to access data stored in a system...

Details Method for a graphics chip to access data stored in a system... Method for a graphics chip to access data stored in a system...

2006-05-23

2006-05-23

Tung, Kee M. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Graphic display memory controller

C345S519000

Reexamination Certificate

active

07050059

ABSTRACT:
A method for a graphics chip to access data stored in a system memory of a computer device is disclosed. The method includes using a memory controller to set a block capacity value; using the memory controller to divide a plurality of read requests corresponding to a predetermined request sequence into a plurality of request groups, wherein a total amount of data required by read requests grouped in each request group is less than the block capacity value; and using the memory controller to adjust a request sequence corresponding to read requests grouped in each request group for retrieving data stored at different N pages so that a memory device only performs N−1 page switching operations.

REFERENCES:
patent: 6035322 (2000-03-01), Demura et al.
patent: 6052134 (2000-04-01), Foster
patent: 6564304 (2003-05-01), Van Hook et al.
patent: 6898679 (2005-05-01), Sadowsky et al.
patent: 2003/0030644 (2003-02-01), Wang et al.
patent: 2004/0139286 (2004-07-01), Lin et al.

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